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CN-224230383-U - Water source heat pump unit with subcooler

CN224230383UCN 224230383 UCN224230383 UCN 224230383UCN-224230383-U

Abstract

The utility model discloses a water source heat pump unit with a subcooler, which comprises a water source heat pump unit body, wherein the subcooler body is arranged on the water source heat pump unit body, a discharge pipe and an inlet pipe are respectively arranged on the front surface of the subcooler body, an embedded filter mechanism is arranged at the end part of the inlet pipe, a butt joint pipe is arranged on the embedded filter mechanism, the end part of the butt joint pipe and the inlet pipe are fixed through a flange, an outer sleeve A is arranged at one end of the butt joint pipe far away from the inlet pipe, an outer sleeve B is arranged at one side of the outer sleeve A, a filter cartridge mechanism is arranged in the outer sleeve B and the outer sleeve A, an inner liner pipe is arranged on the filter cartridge mechanism, and a filter screen is fixedly arranged in the inner liner pipe. The water source heat pump unit with the subcooler has the advantages that the diversion trench formed by the curved surface can guide impurities to gather towards the bottom of the bowl, so that impurity accumulation on the surface of the filter screen is reduced, the fluid resistance is reduced, scaling on the inner wall of the tube bundle of the subcooler is avoided, the thermal resistance is increased, the fluid flow is hindered, and the heat exchange efficiency is reduced.

Inventors

  • FU YONGQIANG
  • XIA JINJUN
  • YU RUIXIANG

Assignees

  • 青岛惠仟能源科技有限公司

Dates

Publication Date
20260512
Application Date
20250603

Claims (6)

  1. 1. A water source heat pump unit with a subcooler comprises a water source heat pump unit body (1) and is characterized in that the subcooler body (2) is installed on the water source heat pump unit body (1), a discharge pipe (3) and an inlet pipe (4) are respectively installed on the front face of the subcooler body (2), an embedded filtering mechanism (5) is installed at the end portion of the inlet pipe (4), an abutting pipe (50) is arranged on the embedded filtering mechanism (5), the end portion of the abutting pipe (50) and the inlet pipe (4) are fixed through a flange, an outer sleeve A (51) is installed at one end, far away from the inlet pipe (4), of the abutting pipe (50), an outer sleeve B (55) is installed on one side of the outer sleeve A (51), a filter cartridge mechanism (53) is installed inside the outer sleeve B (55) and the outer sleeve A (51), an inner liner (531) is arranged on the filter cartridge mechanism (53), a filter screen (532) is fixedly arranged inside the inner liner pipe (531), a central flange (533) is fixedly arranged on the circumferential outer wall of the inner liner pipe (531), and an inner liner pipe (56) is arranged at the end portion of the outer sleeve.
  2. 2. The water source heat pump unit with the subcooler is characterized in that a first flange (52) is fixedly arranged at the end part of the outer sleeve A (51), a second flange (54) is fixedly arranged at the end part of the outer sleeve B (55), a center flange (533) is arranged between the second flange (54) and the first flange (52), the diameters of the second flange (54), the first flange (52) and the center flange (533) are consistent, and the second flange (54), the first flange (52) and the center flange (533) are fixed through a plurality of groups of bolts.
  3. 3. The water source heat pump unit with the subcooler is characterized in that the lengths of the outer sleeve A (51) and the outer sleeve B (55) are identical, the inner diameters of the outer sleeve A (51) and the outer sleeve B (55) are identical, a sealing sleeve (5311) is fixedly arranged on the circumferential outer wall of the inner liner tube (531), and the inner liner tube (531) is inserted into the outer sleeve A (51) and the outer sleeve B (55) and is sealed through the sealing sleeve (5311).
  4. 4. A water source heat pump unit with a subcooler according to claim 1, wherein a sealing gasket A (534) is arranged on one side of the central flange (533), a sealing gasket B (535) is arranged on the other side of the central flange (533), the central flange (533) and the second flange (54) are sealed through the sealing gasket B (535), and the central flange (533) and the first flange (52) are sealed through the sealing gasket A (534).
  5. 5. The water source heat pump unit with the subcooler of claim 1, wherein a plurality of groups of filter screens (532) are uniformly arranged on the circumferential inner wall of the lining pipe (531), the filter screens (532) are bowl-shaped, and the concave direction of the filter screens (532) is consistent with the flow direction of a medium.
  6. 6. The water source heat pump unit with the subcooler of claim 5, wherein the distances between two adjacent groups of filter screens (532) are consistent, the groups of filter screens (532) are linearly distributed, the groups of filter screens (532) are provided with a plurality of groups of filter holes, and the diameters of the filter holes on the groups of filter screens (532) are sequentially reduced in an equal difference sequence.

Description

Water source heat pump unit with subcooler Technical Field The utility model relates to the field of water source heat pumps, in particular to a water source heat pump unit with a subcooler. Background The working principle of the water source heat pump unit is based on reverse Carnot cycle, and the water source heat pump unit can be particularly analyzed from two modes of refrigeration and heating, namely when the water source heat pump unit is in a refrigeration state, the system transfers indoor heat into a water source to realize the cooling effect; Regarding the Chinese patent with the publication number of CN201757536U, the water source heat pump unit with a subcooler is disclosed, and the water source heat pump unit comprises a water side heat exchanger, a throttling component and a wind side heat exchanger, wherein a subcooler is arranged between the water side heat exchanger and the throttling component, one end of the subcooler is communicated with the water side heat exchanger, the other end of the subcooler is communicated with the throttling component, and the subcooler is positioned in the wind side heat exchanger; The heat exchange capacity of the water source heat pump unit with the subcooler is large, the heat exchange efficiency is high, the energy conservation and efficiency improvement are realized, but in actual use, the core function of the subcooler is to perform supercooling treatment on liquid refrigerant, the energy efficiency, the stability and the heating/refrigerating capacity of the system are improved by reducing the temperature of the liquid refrigerant, the liquid refrigerant (approaching to a saturated state) passing through the condenser enters the subcooler and is further cooled to a supercooling state (the temperature is lower than the saturated temperature), the COP of the system can be improved by about 2% -3% when the supercooling degree is increased by 5 ℃, the liquid refrigerant flowing out of the condenser flows into the inlet end of the subcooler, the liquid refrigerant enters the condenser to release heat to the outside (such as a water source) after being compressed into high-temperature high-pressure gas by the compressor in the heat pump system, the liquid refrigerant is condensed into liquid state, when the liquid refrigerant circulates in the water source heat pump unit, metal scraps generated by the compressor, welding residues generated by the pipelines, lubricating oil high-temperature decomposition products and the like can enter the supercooler along with the liquid refrigerant, the inner wall of the subcooler is prevented from entering the inner wall of the subcooler, and the heat exchange efficiency is reduced together. Disclosure of utility model The utility model aims to provide a water source heat pump unit with a subcooler, which aims to solve the defects in the background art. In order to achieve the above purpose, the water source heat pump unit with the subcooler comprises a water source heat pump unit body, wherein the subcooler body is arranged on the water source heat pump unit body, a discharge pipe and an inlet pipe are respectively arranged on the front face of the subcooler body, an embedded filter mechanism is arranged at the end part of the inlet pipe, a butt joint pipe is arranged on the embedded filter mechanism, the end part of the butt joint pipe is fixed with the inlet pipe through a flange, an outer sleeve A is arranged at one end of the butt joint pipe far away from the inlet pipe, an outer sleeve B is arranged on one side of the outer sleeve A, a filter cartridge mechanism is arranged in the outer sleeve B and the outer sleeve A, an inner liner pipe is arranged on the filter screen is fixedly arranged in the filter cartridge mechanism, a central flange is fixedly arranged on the circumferential outer wall of the inner liner pipe, and a material inlet pipe is arranged at the end part of the outer sleeve B. Preferably, the end part of the outer sleeve A is fixedly provided with a first flange, the end part of the outer sleeve B is fixedly provided with a second flange, a central flange is arranged between the second flange and the first flange, the diameters of the second flange, the first flange and the central flange are consistent, and the second flange, the first flange and the central flange are fixed through a plurality of groups of bolts. Preferably, the lengths of the outer sleeve A and the outer sleeve B are consistent, the inner diameters of the outer sleeve A and the outer sleeve B are consistent, a sealing sleeve is fixedly arranged on the circumferential outer wall of the inner liner tube, and the inner liner tube is inserted into the outer sleeve A and the outer sleeve B and sealed through the sealing sleeve. Preferably, a sealing gasket A is arranged on one side of the central flange, a sealing gasket B is arranged on the other side of the central flange, the central flange and the second flange are sealed through